Title:
FREQUENCY DOMAIN REFLECTOMETRY SYSTEM FOR TESTING WIRES AND CABLES UTILIZING IN-SITU CONNECTORS, PASSIVE CONNECTIVITY, CABLE FRAY DETECTION, AND LIVE WIRES TESTING
Document Type and Number:
WIPO Patent Application WO2004005943
Kind Code:
A3
Abstract:
A frequency domain reflectometer that is in electrical communication with a cable under test in order to determine cable characteristics including cable length and load characteristics such as capacitance, inductance, resistance, impedance (which is characterized as an open or short circuit condition), and the location of an open or short circuit, wherein the FDR cable testing is performed in-situ when the system is installed at the time of installation of the cable to thereby enable testing of cable without having to remove it and risk damage, wherein FDR cable testing is performed passively so as not to interfere with normal operation of the cable even if the FDR cable testing system should fail, wherein a system is taught that can detect faults that are difficult to detect out of an operating environment, and wherein FDR cable testing is performed to detect cable fray conditions, wherein the cable may be grounded or coupled to air.
Inventors:
FURSE CYNTHIA
Application Number:
PCT/US2003/021105
Publication Date:
August 05, 2004
Filing Date:
July 03, 2003
Export Citation:
Assignee:
UNIV UTAH STATE (US)
International Classes:
G01R27/04; G01R31/00; G01R31/02; G01R31/11; (IPC1-7): G06F19/00
Foreign References:
| US5994905A | 1999-11-30 | |||
| US6016464A | 2000-01-18 | |||
| US5128619A | 1992-07-07 | |||
| US5068614A | 1991-11-26 | |||
| US5083086A | 1992-01-21 |
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